“Salty Old Geek” is a blog that provides how-to guides and information on various technical topics. This blog covers a range of subjects, including self-hosting applications like Joplin and Ollama, managing devices in educational settings using JAMF, building and managing servers using Proxmox and Docker, and analyzing website data using Python. Dave shares practical advice and solutions based on their experiences, making the blog valuable for individuals interested in technology and home lab setups.